Vhf 1 4 Wave Mobile Antenna

Black copper clad stainless steel whip black coated brass base.

Vhf 1 4 wave mobile antenna. The antenna farm. The radiating element is a quarter wave λ 4 and the radials are 12 longer. 1 4 wave whip had the highest high angle radiation component. All black 3 5 8 nmo magnet mount with 17 of rg58u cable copper 95 braid and solid insulation.

Each antenna is tuned to the vhf air band from 118 to 137 mhz. Vhf nmo antenna 1 4 wave 17 5 long 152 162 mhz pre tuned 152 960 mhz tunable cutting chart enclosed model br pt152 chromed brass nmo connector stainless whip removable gold contact pin for tuning and hole nmo mount 17 rg 58 coax cable uhf pl259 connector for icom kenwood midland and vertex mobile and base radios check your radio. 1 4 wave vhf roof mount antennas intended for customers who do not plan to use the gps capability of the radio. The 1 4 wave is a good alternative for people needing something shorter than the 5 8 wave mobile antenna or an antenna for lower bands where the size of a 5 8 wave is prohibitive.

The 1 4 wave is a good alternative for people needing something shorter than the 5 8 wave mobile antenna or an antenna for lower bands where the size of. Ahh the good old quarter wave ground plane. The gain of a 5 8th wave over a 1 4 wl antenna at 2 degrees is now 2 19 db but the peak gain of the 5 8th wave is only 01db different than the peak gain of a 1 4 wave antenna. Quarter wave vhf antennas vhf uhf mobile radios radio accessories vhf uhf hand held radios antennas mobile antenna mounts swr power meters adapters coaxial cable two way accessories antenna accessories dc power supplies coax cable accessories connectors aviation radios repeater systems towers accessories duplexers diplexers triplexers vhf uhf base stations base.

Gold plunger contact pin and o ring gasket. At 2 degrees takeoff the 1 4 wl antenna over good soil with perfectly flat terrain has 6 75 dbi gain. Elevation plots for the 1 4 wave revealed that the most of the energy being launched between 7º and 80º. 2db and 3 5db gain antennas hae6010 hae6013 uhf 2db and 3 5db gain antennas designed for apx mobile radios.

This calculator can be used to design a quarter wave ground plane antenna with radials. There are usually four radials three being a minimum but you could use up to six. Tuned to vhf air band.